diff --git a/pkgs/applications/audio/mopidy/mopidy.nix b/pkgs/applications/audio/mopidy/mopidy.nix
index b0beb5a8a516..6331317eb24f 100644
--- a/pkgs/applications/audio/mopidy/mopidy.nix
+++ b/pkgs/applications/audio/mopidy/mopidy.nix
@@ -34,6 +34,7 @@ pythonPackages.buildPythonApplication rec {
       gst-plugins-good
       gst-plugins-ugly
       gst-plugins-rs
+      gst-libav
     ]
     ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [ pipewire ];